If the transformers are delta-wye or wye-delta, the angular displacement is ____________________°.

Fill in the blank(s) with the appropriate word(s).


30 thirty

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When an engine oil analysis profile taken on a high mileage engine indicates higher than normal levels of copper, which of the following components would more likely be at fault?

A. oil cooler B. main bearings C. valve seats D. fire rings

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Gouldian finches should be kept at a minimum temperature of:

A) 56°F B) 84°F C) 68°F D) 72°F

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What is moisture regain?

What will be an ideal response?

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Given the following voltage and current on the load, find the power factor, average power, reactive power, complex power, and apparent power. Also, find the equivalent impedance, equivalent resistance, and equivalent inductance of the load. Draw the phasors for P, Q, and S. The voltage and current are peak values.

v () t = 150cos ( 2 ? 60 t + 120 o ) V , i () t = 10cos ( 2 ? 60 t + 85 o ) A

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